– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Tue 31 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Tue 31 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 31 Mar Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 22mm), heaviest during Wed night. Mild temperatures (max 9°C on Tue afternoon, min 2°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 15°C on Mon morning, min 4°C on Fri night). Wind will be generally light. | ||||||||||||||||
Tue 31 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | |  |  |  | |  |  | | | |
cloudy | light rain | light rain | light rain | mod. rain | light rain | light rain | light rain | cloudy | rain shwrs | rain shwrs | some clouds | some clouds | some clouds | clear | clear | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | 2 | 3 | 1.5 | 10 | 2 | 1 | 1.5 | — | 0.2 | 0.1 | — | — | — | — | — | — | |
max °C | 9 | 6 | 5 | 8 | 5 | 3 | 4 | 4 | 6 | 8 | 6 | 9 | 12 | 9 | 12 | 14 | 11 |
min °C | 9 | 3 | 3 | 7 | 2 | 2 | 4 | 3 | 4 | 7 | 4 | 6 | 11 | 7 | 8 | 14 | 10 |
8 | 1 | 0 | 6 | 2 | 2 | 3 | 3 | 4 | 7 | 4 | 6 | 11 | 7 | 8 | 14 | 10 | |
1650 | 1400 | 1150 | 1400 | 850 | 950 | 1100 | 1150 | 1250 | 1450 | 1700 | 1950 | 2300 | 2400 | 2300 | 2550 | 2800 | |
Cloud base (m) | 2350 | 500 | 700 | 550 | 600 | 600 | 600 | 900 | 850 | 950 | 900 | 1550 | 2750 | 7800 | 6200 | ||
 | — | — | 6:46 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — |
 | 7:36 | — | — | 7:37 | — | — | 7:38 | — | — | 7:40 | — | — | 7:42 | — | — | 7:44 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 22mm), heaviest during Wed night. Mild temperatures (max 9°C on Tue afternoon, min 2°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Very mild (max 15°C on Mon morning, min 4°C on Fri night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.